AN EFFICIENT SYNTHESIS OF LARGE RING ACETYLENES

Citation
J. Boivin et al., AN EFFICIENT SYNTHESIS OF LARGE RING ACETYLENES, Tetrahedron letters, 36(32), 1995, pp. 5737-5740
Citations number
31
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404039
Volume
36
Issue
32
Year of publication
1995
Pages
5737 - 5740
Database
ISI
SICI code
0040-4039(1995)36:32<5737:AESOLR>2.0.ZU;2-V
Abstract
The two regioisomeric beta-ketoesters obtained by ring expansion of a cycloalkanone with ethyl diazoacetate and a Lewis acid give the same c ycloalkyne upon exposure of the corresponding isoxazolinone to sodium nitrite / aqueous acetic acid and ferrous sulfate.